*.katam.se

Issued by R3

About this certificate

This digital certificate with serial number 03:df:9a:c5:30:63:5a:44:f0:ca:f6:15:5f:0b:81:c6:ed:9e was issued on by Let's Encrypt.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate has already expired and will cause a warning or error message in the browser it's still listed on this site to allow you to look back on previously issued certificates. If we have found any compliance issues with this certificate they will be shown below. I hope this certificate review is providing you the detailed information in a simple form you where looking for.


We have idenified some issues with this certificate:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=*.katam.se

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:df:9a:c5:30:63:5a:44:f0:ca:f6:15:5f:0b:81:c6:ed:9e
Serial Number (int): 337425550593909211756818177757355398589854
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: dc:08:b7:f9:21:e3:74:f2:af:8a:9e:f5:92:82:cd:ae:90:b3:64:c0
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): b0:7a:62:ae:a2:76:0c:d6:b7:89:21:24:1c:25:60:31:12:42:b7:4f
Fingerprint (sha256): 87:18:c6:85:a8:42:70:b2:37:bb:9f:1d:05:c7:0a:3c:3d:e4:e2:2a:01:76:bc:29:00:9f:0a:9c:e9:ca:02:55

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate *.katam.se

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for *.katam.se

Public Key Algorithm

RSA

Key Size

4096

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature
Key Encipherment

Extended Key Usages

Server Authentication
Client Authentication

Extensions

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

*.katam.se
katam.se

Other certificates including the domain name katam.se

(limited to 100 certificates)

Certificate

The complete raw certificate details for *.katam.se in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----END PUBLIC KEY-----

ASN.1 decoded

 [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . [c:0|t:2|false] INTEGER 2
 . . . . . . . . [c:0|t:2|false] INTEGER 337425550593909211756818177757355398589854
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption)
 . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.6 (countryName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'US'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.10 (organizationName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Let's Encrypt'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-02-07 17:35:27 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-05-08 17:35:26 +0000 UTC
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String '*.katam.se'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.1 (rsaEncryption)
 . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 846947154919921863651320384509024132590855864152459488843708919475001823973323659760084054609139903863600319364421662501947729547299292003378966352981067658414436657546307365823208670508008989083322774894407304236880025413281227222761321770678985631763126822757843196479773996333766771228421861220752430250247869112579952648647051484685992133746910042639942086331382479570910599694953095364012148640894383202060248536082489020712588193840391572367011020836964891396925612834167076026700043267655545606260953333380201485754147222432614424921646453048718841301516763069185589982237902807011007393851747853150193192396285199120092903952717038764050019299419668109115072565425574277376524177381422578634073566414427193207038981965532349056263770035547432265209175589381138600202501636847543710717165646032402345421268914624031100743201777774070053978891300167808663892033860645556344427234800735185463446913534409188940000472469818206306977666061061502419927593577138487899721626333575191456784427991717449810557807417822318783893467394221810972959420565258785940158430787614734124007546084841308881353525530031764406827738388277975878078374130123934549874938627191263987555827347850897634787931482329816891903524437310527482858652944939
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 65537

 . . . . . . . . [c:2|t:3|true] ORAddress 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.15 (keyUsage)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (4 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (3 bits)
							05a0
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.37 (extKeyUsage)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.1 (serverAuth)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2 (clientAuth)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19 (basicConstraints)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.14 (subjectKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							dc08b7f921e374f2af8a9ef59282cdae90b364c0
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35 (authorityKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1 (authorityInfoAccess)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (73 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.1 (ocsp)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r3.o.lencr.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r3.i.lencr.org/'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17 (subjectAltName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.katam.se'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'katam.se'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32 (certificatePolicies)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (69 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.23.140.1.2.1 (Domain Validation Certificates Policy)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb52000001862d294ea900000403004730450221008fdc8eca81b870f9a6d2c1084d3e17a19bfd8be1b9325fa190a27a1795e9cde702206ff321fe68d60d22cec2e27c6dd119343c1f4e8182033a8ec61180ee732634c6007600adf7befa7cff10c88b9d3d9c1e3e186ab467295dcfb10c24ca858634ebdc828a000001862d294eba00000403004730450220011e17229db88a087257370ad6b9e8a3a08b3794a46a8fab9287631da4e9f62d022100a75cb038cc031bf1d64ae9ae460d4215de3e6247dd279e7f408697996f7bcb3a
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption)
 . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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